// Copyright 2011 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package org.libermundi.theorcs.core.tapestry.services.csrf.impl;

import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.libermundi.theorcs.core.tapestry.services.csrf.CsrfUnProtectedPages;


/**
 * This service holds all pages that are not protected by the CsrfModule 
 *
 */
public class CsrfUnProtectedPagesImpl implements CsrfUnProtectedPages{
	private final static Set<String> unprotectedPages = Collections.synchronizedSet(new HashSet<String>());
	
	public CsrfUnProtectedPagesImpl(Collection<String> pageNames) {
		for (String page : pageNames) {
			addUnprotectedPageName(page);
		}
	}

	/**
	 * Adds the given page to the unprotected pages set.
	 */
	@Override
	public void addUnprotectedPageName(String pageName) {
		unprotectedPages.add(pageName);		
	}

	/**
	 * Checks if the given page is unprotected.
	 */
	@Override
	public boolean isUnprotected(String pageName) {
		return unprotectedPages.contains(pageName);
	}
}
